diff --git a/meson.build b/meson.build
index e96a615..56cd9cc 100644
--- a/meson.build
+++ b/meson.build
@@ -14,6 +14,11 @@ asresources = gnome.compile_resources(
     c_name: 'as'
 )
 
+dep_libmarkdown = dependency('libmarkdown', version : '>= 3.0.0')
+if dep_libmarkdown.found()
+  add_project_arguments('-D', 'MARKDOWN3', language: 'vala')
+endif
+
 subdir('src')
 
 executable(
diff --git a/src/Widgets/Viewer.vala b/src/Widgets/Viewer.vala
index 736226a..fe15cd5 100644
--- a/src/Widgets/Viewer.vala
+++ b/src/Widgets/Viewer.vala
@@ -225,10 +225,16 @@ public class ENotes.Viewer : WebKit.WebView {
 
     private string process (string raw_mk) {
         string processed_mk;
+        //Extra Footnote + Autolink + ``` code + Extra def lists + keep style + LaTeX
+        int flags = 0x00200000 + 0x00004000 + 0x02000000 + 0x01000000 + 0x00400000 + 0x40000000;
         process_frontmatter (raw_mk, out processed_mk);
-                                                        //Extra Footnote + Autolink + ``` code + Extra def lists + keep style + LaTeX
-        var mkd = new Markdown.Document.from_string (processed_mk.data, 0x00200000 + 0x00004000 + 0x02000000 + 0x01000000 + 0x00400000 + 0x40000000);
-        mkd.compile (0x00200000 + 0x00004000 + 0x02000000 + 0x01000000 + 0x00400000 + 0x40000000);
+#if MARKDOWN3
+        var mkd = new Markdown.Document.from_string (processed_mk.data, &flags);
+        mkd.compile (&flags);
+#else
+        var mkd = new Markdown.Document.from_string (flags);
+        mkd.compile (flags);
+#endif
 
         string result;
         mkd.document (out result);
diff --git a/vapi/libmarkdown.vapi b/vapi/libmarkdown.vapi
index a6bf7e7..a00e2bd 100644
--- a/vapi/libmarkdown.vapi
+++ b/vapi/libmarkdown.vapi
@@ -50,8 +50,11 @@ namespace Markdown
 		[CCode (cname = "mkd_in")]
 		public Document.from_in (GLib.FileStream file, DocumentFlags flags);
 		[CCode (cname = "mkd_string")]
+#if MARKDOWN3
+		public Document.from_string (uint8[] doc, DocumentFlags * flags);
+#else
 		public Document.from_string (uint8[] doc, DocumentFlags flags);
-
+#endif
 		[CCode (cname = "gfm_in")]
 		public Document.from_gfm_in (GLib.FileStream file, DocumentFlags flags);
 		[CCode (cname = "gfm_string")]
@@ -59,7 +62,11 @@ namespace Markdown
 
 		public void basename (string @base);
 
+#if MARKDOWN3
+		public bool compile (DocumentFlags * flags);
+#else
 		public bool compile (DocumentFlags flags);
+#endif
 		public void cleanup ();
 
 		public int dump (GLib.FileStream file, DocumentFlags flags, string title);